Asian Loto - Safety Respiratory Dust Mask - It is usually made up of flexible paper pad held over the nose and mouth. It has elastic rubber straps for extra comfort and prevention against dust. They are either air-purifying respirators and air-supplied respirators. It is one of the common particulate filtering facepieces. It has good filter efficiency, test agent, flow rate, and permissible pressure drop. It is mainly used in industries like mining, construction, and painting.